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https://issues.apache.org/jira/browse/LUCENE-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luke Nezda updated LUCENE-1471:
-------------------------------

    Attachment: multisearcher.take2.patch

Patch covering MultiSearcher and ParallelMultiSearcher

> Faster MultiSearcher.search merge docs 
> ---------------------------------------
>
>                 Key: LUCENE-1471
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1471
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.4
>            Reporter: Jason Rutherglen
>            Assignee: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-1471.patch, multisearcher.patch, 
> multisearcher.take2.patch
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> MultiSearcher.search places sorted search results from individual searchers 
> into a PriorityQueue.  This can be made to be more optimal by taking 
> advantage of the fact that the results returned are already sorted.  
> The proposed solution places the sub-searcher results iterator into a custom 
> PriorityQueue that produces the sorted ScoreDocs.

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